Remove all uses of the HAVE_CONFIG_H define.

webrtc/base/logging.h

 /*
  *  Copyright 2004 The WebRTC Project Authors. All rights reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 28 matching lines @@
 // LOG_E(sev, ctx, err, ...) logs a detailed error interpreted using the
 //     specified context.
 // LOG_CHECK_LEVEL(sev) (and LOG_CHECK_LEVEL_V(sev)) can be used as a test
 //     before performing expensive or sensitive operations whose sole purpose is
 //     to output logging data at the desired level.
 // Lastly, PLOG(sev, err) is an alias for LOG_ERR_EX.
 
 #ifndef WEBRTC_BASE_LOGGING_H_
 #define WEBRTC_BASE_LOGGING_H_
 
-#ifdef HAVE_CONFIG_H
-#include "config.h"  // NOLINT
-#endif
-
 #include <list>
 #include <sstream>
 #include <string>
 #include <utility>
 
 #include "webrtc/base/basictypes.h"
 #include "webrtc/base/constructormagic.h"
 #include "webrtc/base/thread_annotations.h"
 
 namespace rtc {
@@ skipping 288 matching lines @@
 #define PLOG(sev, err) \
   LOG_ERR_EX(sev, err)
 
 // TODO(?): Add an "assert" wrapper that logs in the same manner.
 
 #endif  // LOG
 
 }  // namespace rtc
 
 #endif  // WEBRTC_BASE_LOGGING_H_